| Alan Frederick Smith | Director | 1 Apr 1992 | 31 Dec 1997 | British | 82 years |
| Alan Tony Eckford | Director | 1 Aug 1996 | 26 Sept 2003 | British | 78 years |
| Alison Cecile Healey | Director | 1 Apr 1992 | 1 Apr 1993 | British | 76 years |
| Andrew Greenlees Semple | Director | 1 Apr 1992 | 29 Jul 1992 | British | 92 years |
| Anthony Donnelly | Director | 23 Nov 2023 | 27 Nov 2024 | British | 62 years |
| Barbara Baroness Young Of Old Scone | Director | 1 Aug 1998 | 10 Oct 2000 | British | 78 years |
| Bernard Vere Henderson | Director | 1 Apr 1992 | 30 Sept 1994 | British | 98 years |
| Christopher John Mellor | Director | 1 Apr 1992 | 19 Mar 2003 | Uk | 77 years |
| Claire Tytherleigh Russell | Director | 4 May 2008 | 30 Sept 2025 | British | 62 years |
| Claire Tytherleigh Russell | Secretary | 9 Jun 2006 | 17 Mar 2021 | British | - |
| David Charles Turner | Secretary | 19 Aug 2002 | 24 Feb 2006 | Other | - |
| David John Challen | Director | 9 Nov 1993 | 10 Oct 2000 | British | 83 years |
| Dinah Alison Nichols | Director | 7 May 1992 | 15 Dec 1995 | British | 83 years |
| Elizabeth Ann Horlock Clarke | Secretary | 1 Apr 2015 | 17 Mar 2021 | - | - |
| Elliott Michael Mannis | Director | 22 Jul 1998 | 30 Jun 2004 | British | 65 years |
| Euan Mcewan | Director | 10 Oct 2002 | 14 Apr 2004 | British | 71 years |
| Francis Cator | Director | 1 Apr 1992 | 28 Jul 1994 | British | 98 years |
| Gathorne Gathorne-hardy Earl Of Cranbrook | Director | 1 Apr 1992 | 22 Jul 1998 | British | 93 years |
| Geoffrey Arthur George Shepheard | Secretary | 23 Aug 2004 | 31 Mar 2015 | British | - |
| George Eryl Morris | Director | 20 Jan 2000 | 10 Oct 2000 | British | 83 years |
| Jacqueline Elizabeth Fox | Secretary | 1 May 2001 | 17 May 2002 | British | - |
| James Adams | Director | 7 May 1992 | 26 Nov 1993 | British | 95 years |
| James Anthony Patrick Mckenna | Director | 20 Jan 2000 | 10 Oct 2000 | British | 71 years |
| James Brian Cronin | Director | 1 Oct 1996 | 10 Oct 2000 | British | 89 years |
| Jeffrey Hume | Director | 16 Jul 2004 | 3 Nov 2004 | British | 73 years |
| John Anthony Simpson | Director | 1 Apr 1992 | 31 Jan 1994 | British | 87 years |
| John Richard Grenfell Bradfield | Director | 1 Apr 1992 | 31 Mar 1993 | British | 101 years |
| John Victor Boodle | Director | 1 Apr 1992 | 31 Mar 1993 | British | 100 years |
| John William Green | Director | 9 Sept 1993 | 30 Jun 1998 | British | 83 years |
| Jonson Cox | Director | 15 Jan 2004 | 31 Mar 2010 | British | 70 years |
| June Frances De Moller | Director | 12 Nov 1992 | 20 Jan 2000 | British | 79 years |
| Patrick Firth | Director | 7 Oct 2005 | 3 May 2008 | British | 71 years |
| Patrick Firth | Secretary | 23 Oct 2003 | 3 May 2008 | British | - |
| Peter Charles Fletcher Hickson | Director | 28 Oct 2003 | 22 Aug 2005 | British | 81 years |
| Peter John Simpson | Director | 30 Jan 2010 | 4 Aug 2024 | British | 59 years |
| Peter Nicoll | Secretary | 1 Dec 1997 | 31 Aug 1999 | British | - |
| Richard Wilson Jewson | Director | 1 Apr 1992 | 10 Oct 2000 | British | 82 years |
| Robert Martin Gourlay | Director | 9 Sept 1993 | 10 Oct 2000 | British | 87 years |
| Roger Martin Dickinson | Secretary | 1 Apr 1992 | 31 Dec 1997 | British | - |
| Roy Alan Pointer | Director | 19 Jan 1998 | 26 Apr 2005 | British | 81 years |
| Sally Angela O'sullivan | Director | 1 Aug 1996 | 26 Jul 2000 | British | 77 years |
| Scott Robert James Longhurst | Director | 3 Nov 2004 | 31 Jul 2019 | British | 59 years |
| Seamus Joseph Gillen | Secretary | 31 Aug 1999 | 19 Aug 2002 | British | - |
| Steven John Buck | Director | 1 Aug 2019 | 22 Nov 2023 | British | 57 years |